Выписать существительные в единственном числе.the next morning, the ravens began plan number two.''do you have the sign ready? ''walter asked anne. ''yes, i worked on it this morning. what do you think? '' she asked and showed him the sign. ''stuffed ravens. one pound each. drop your your coin into the cup and carry one home. mary read the sign . that's great anne .let's go .walter said . let's stand right here on the wall as usual . put the sign in front of us anne . don't forget about the cup . anne mary william and walter stood still on the wall . three children came and stopped to read the sign . oh look jessica . for one pound we can have a stuffed raven . do you have a pound coin ? i want a stuffed raven david said . no david . l' ve only got 50p. andrew have you got a pound ? jessica asked the other boy . sorry jessica. l've only got 20p . left andrew answered . i guess we can't have a raven then , david said and the three children went away . then a woman and man walked up to the ravens . look at the stuffed birds alex . i want a stuffed raven . will you buy a raven for me ? it''s a perfect souvenir said sarah . she touched william and rubbed his head neck and feet . william began to laugh ha! ha ! ha ! alex and sarah jumped back . this is too strange sarah alex said her . the two of them ran away quickly . that was just great william . why did you laugh mary asked him . she rubbed me said william . well so much for plan number two friends walter said . i think we'd better stay in the tower of london and jast forget about our plans mary said . i agree with mary anne said . me too said william . walter had to agree . the four ravens learned not to pay attention to the cameras the noise or the children . walter spent his time on the wall of the tower watching the city of london . the friends were happy to be together in the tower again